All three were shot with a Nikon D100 mounted for prime focus photography on a Televue NP-101 with 2X Powermate; for a focal length of 1080mm.
Venus transit photos
June 8, 2004
The first was taken before I remembered to install the neutral density and polarizing filters in the Herschel Wedge and is a 1/4000 second exposure.
The other two are with the filters and are 1/40 second exposures.